3444981017856 has 72 divisors (see below), whose sum is σ = 10478483945664. Its totient is φ = 984280289280.

The previous prime is 3444981017827. The next prime is 3444981017939. The reversal of 3444981017856 is 6587101894443.

It is a self number, because there is not a number n which added to its sum of digits gives 3444981017856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320398365 + ... + 320409116.

Almost surely, 2^{3444981017856} is an apocalyptic number.

It is an amenable number.

3444981017856 is an abundant number, since it is smaller than the sum of its proper divisors (7033502927808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3444981017856 is an equidigital number, since it uses as much as digits as its factorization.

3444981017856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640807507 (or 640807493 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 3444981017856 in words is "three trillion, four hundred forty-four billion, nine hundred eighty-one million, seventeen thousand, eight hundred fifty-six".